136430854258753 has 4 divisors (see below), whose sum is σ = 137137749876868. Its totient is φ = 135723958640640.

The previous prime is 136430854258609. The next prime is 136430854258789. The reversal of 136430854258753 is 357852458034631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14121233699329 + 122309620559424 = 3757823^2 + 11059368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136430854258753 is a prime.

It is a super-2 number, since 2×136430854258753² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136430854258253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353447808768 + ... + 353447809153.

It is an arithmetic number, because the mean of its divisors is an integer number (34284437469217).

Almost surely, 2^{136430854258753} is an apocalyptic number.

It is an amenable number.

136430854258753 is a deficient number, since it is larger than the sum of its proper divisors (706895618115).

136430854258753 is an equidigital number, since it uses as much as digits as its factorization.

136430854258753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706895618114.

The product of its (nonzero) digits is 290304000, while the sum is 64.

The spelling of 136430854258753 in words is "one hundred thirty-six trillion, four hundred thirty billion, eight hundred fifty-four million, two hundred fifty-eight thousand, seven hundred fifty-three".